Star Tech Journal

Issue: 1993-July - Vol 15 Issue 5

m
July 1993
STAR*TECH Joumal
HU ... APR .1.5 ,./ .1. 993
Ti Ming:
MeMOl"'Y 3
.1.4:26 CJ OBA
r1·· Asyn 200 µ$ Cµ~:0
Re£~
128. ~ursor
1ze Re£ to Cursor :::;: -.1.. 6111S
CR
=
21<
:::fil1l;E r-·-···
:fi.I•:m:ID
(•1m,1,;p;] r----
~~'M''ill;l
.1.
0
.1.
I.
l.
.1.
r
~
"
Figure 1: Credit Train Pulses For A $5 Bill (spec. 3Oms long/5Oms between).
14 32 ~-OBA CR
2k
+6.6MS
1
0
I
- -
t=-============================~ ·-----------~
.1. '
-
" 7 ,...___.
-
0
0
Figure 2: Short First Credit Pulse (6.6ms) Should Be 3Oms.
THU...
APR 15..
1993
•v=t••v
T.1. Asyn 200 µS Cu~:0
Rec=
4.1.?
Cursor=

568
■ H?ff ■I§ I ■
Re£
14 34 C·OBA CR
2k
to Cursor :::;:
+28.6MS
T
0
----i___s-----.,_ -_-_ -_ -_-_ -_ -_ -_ -------------i _ _ _ _ _;-
.... -_-_ -_ ---_ ------------------:_ ____ _,------=======
L
--···--r-•--·------ w
I
I
Figure 3: Normal Credit Pulse (28.6ms
±
2 x 2OOus)
~ 3Oms.
~UP: Credit Pulse At Microprocessor (Z9.24). GTO: Output Of Inverter (Z8.2).
DRO: Driver For Relay Output (Z5.1O). CRO: Credit Relay Output At Interface Connector (P1O5.14).
STK: Stacker Pulse (Z9.23).

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0
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STAR*TECH Journal
July 1993
Beckman Industrial Test Equipment
I . Digital Multimeters
I Logic Probe/Pulser
DM15XL Low Price, Audible Continuity
Beeper, Built-In 20 Mhz Logic Probe, Cur-
rent Ranges to l0A (Ac/De), Resistance
Ranges to 2000 MegOhm, Large LCD Dis-
play, Diode Test. $59
LP25 Logic Probe, 25Mhz, Audible Tone,
5 - 15 Vdc Supply, TTL/CMOS, Pulse
Memory, Overload Protection. $38
DM25XT Capacitance to 2000uf. Fre-
quency to 2000Hz. AC/DC Current to 20A
(fused). Hfe Transistor test. Logic for TTL
and CMOS. Auto Power Off. Input Warn-
ing Beeper. Alligator Clips. $99
RMS225 Auto Ranging, True RMS, lOA Ac/
De, Visual & Audible Continuity, 4 Digit
Display, Auto Power Down. $167
HD110 Heavy Duty, Manual Ranging, Vi-
sual and Audible Contlnuity, l 0A Ac/De,
Diode Test, 2000 Hour battery. $217
PR41 Logic Pulser, 0.5/400Hz Pulse Rate,
External Sync Input, Square Wave Out-
put, Coiled Power Cord, Pen Size. $38
I Parts Tester/Function Gen I
CAPT6 24 User Ranges, Test Capacitors
to 20,000 Mfd, Resistance, Continuity,
Diode Test, Transistor Gain & Leakage,
LED Test, 3 Battery Check Settings -Test
Under Load Conditions. $95
FG2A Square, Triangle, Sine waves and
TTL pulse output. 0.2Hz to 2MHz. Variable
DC offset control. Amplitude range:
<20mVp-p to >20Vp-p. $272.
S*T J Beckman Industrial Test Equipment Order Form
Please ship to (add $8 s/h):
Please send me the following:
0 DM15XL
Qty_@$ 59
0 DM25XT
Qty __ @$ 99
Name:
0 RMS225
Qty __ @$167
Company:
0 HD110
Qty __ @$217
0 LP25
Qty __ @$ 38
0 PR41
Qty_@$ 38
0 CAPT6
Qty_@$ 95
OFG2A
Qty __ @$ 212
Address:
City:
State:
Zip:
I
STAR*TECH Journal, PO Box 1065, Merchantville, NJ 108109.Please add $8 Shipping/Handling. NJ add 6%.

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